1)Section 6 also says that Senators and Representatives shall not be questioned in court or by the President for any speech or debate they give or participate in on the floor of the Senate or the House. This assures ample freedom of debate in Congress.
2)To ensure the separation of powers among the legislative, judicial and executive branches of government, Article I, Section 6, prohibits a senator or representative from holding any other federal office during his or her service in Congress.
